CATEGORIES:  INTEGRATED CIRCUITS (ICS)

CONNECTIVITY:  UART/USART

CORE PROCESSOR:  80C51

CORE SIZE:  8-BIT

LEAD FREE STATUS / ROHS STATUS:  LEAD FREE / ROHS COMPLIANT

MANUFACTURER:  ATMEL

MANUFACTURER PART NUMBER:  AT80C31X2-3CSUM

MOISTURE SENSITIVITY LEVEL (MSL):  3 (168 HOURS)

NUMBER OF I/O:  32

OPERATING TEMPERATURE:  -40°C ~ 85°C (TA)

OSCILLATOR TYPE:  INTERNAL

PACKAGE / CASE:  40-DIP (0.600", 15.24MM)

PACKAGING:  TUBE

PERIPHERALS:  POR

PROGRAM MEMORY TYPE:  ROMLESS

RAM SIZE:  128 X 8

SERIES:  80C

SPEED:  40/20MHZ

STANDARD PACKAGE:  216

SUPPLIER DEVICE PACKAGE:  40-PDIL

VOLTAGE - SUPPLY (VCC/VDD):  4.5 V ~ 5.5 V